Esicon
二次电子导电摄象管
🗣️ 情景例句
What's the nature of the problem?
是什么样的问题？
You scared me!
你吓我一跳。
A moment later, the Class 4 runner fell and hurt his leg, but he quickly got up and went on running.
过了一会儿，4班的运动员摔倒了，伤了腿，但是他很快爬起来，继续往前跑。